IT Systems Administrator Jobs in Fairfax, VA

Empower your expertise by designing, implementing, and optimizing enterprise network architectures with a focus on security and performance in high-scale environments. Join us in supporting mission-cr...

Collaborate with military leads to analyze data and develop After Action Reviews (AARs) for training exercises, ensuring seamless operations and effective reporting of simulations and key performance...

Lead innovative systems engineering efforts, transforming complex project requirements into actionable plans, while ensuring delivery aligns with customer objectives and providing expert support throu...

Accelerate progress at the intersection of IT and program efficiency, by leading a dedicated team focused on improving operations for the Explosive Ordnance Disposal community, and driving project exe...

The Cloud Infrastructure & Cybersecurity System Engineer 3 is responsible for driving secure cloud innovation within a mission-critical environment for a key DoD program. This role involves designing...

The Cloud Infrastructure & Cybersecurity System Engineer 3 will drive secure cloud innovation within a mission-critical environment for a key DoD program. This role requires expertise in cloud archite...

Drive advanced incident response and threat detection efforts in a dynamic SOC environment. Engage in proactive threat hunting and operational support to enhance organizational security measures and m...

Unlock potential by providing integrated cloud services support, enhancing enterprise computing and network infrastructure. Engage with customers to deliver technical solutions and ensure effective co...

Lead the charge in transforming data solutions for impactful economic research. As a Senior IT Data Engineer, you'll design, optimize, and implement enterprise data architectures and pipelines, ensuri...

Shape innovative software solutions by collaborating with development teams to create and refine model-based systems engineering architectures that enhance project outcomes and support comprehensive s...

Contribute to the optimization and performance of storage systems by refining operations, enhancing capabilities, and promoting service uptime through collaboration with cross-functional teams and pro...

Accelerate progress at managing complex IT help desk operations and drive continuous service improvements. Lead teams to deliver superior customer experiences while overseeing quality assurance and st...

Collaborate with a dynamic team of cybersecurity experts to conduct threat-based security assessments, identifying vulnerabilities and enhancing the security posture of critical systems while providin...

Drive the evolution of critical knowledge management systems, enhancing operational efficiency across multi-security environments while collaborating closely with engineers and mission partners to ens...

Join us to enhance government virtual infrastructure by engineering, implementing, and optimizing cutting-edge VDI solutions in a dynamic environment, ensuring seamless operations and robust security...

Manage the end-to-end process of SaaS configuration and integration. Lead cross-functional teams, ensure smooth migrations, and enhance operational efficiency by coordinating tools across HR, finance...

Lead the charge in managing knowledge systems that enhance operational efficiency. Design and optimize the War Data Platform Core Integration system to enable stakeholders to access critical informati...

Empower clients by designing, coding, and supporting Systematics applications. Collaborate with a dynamic team to deliver quality solutions that align with business strategies while fostering professi...

Grow your leadership and technical skills while driving software innovation and supporting essential services of the U.S. Senate. Oversee development, manage teams, and implement strategic solutions t...

Unlock your potential by developing standards for AI model packaging, enhancing deployment reliability within multiple classified environments, and collaborating across teams to ensure robust artifact...

Join us to manage procurement processes and oversee asset management for federal clients. Drive efficiency in inventory tracking and renewals, while leading a dynamic team on pivotal projects impactin...

Optimize network performance and support mission-critical engineering tasks across multi-level environments. Leverage your expertise in system integration to enhance connectivity solutions and drive e...

Transform the future of web applications by developing secure, scalable solutions for critical investigative missions. Collaborate with teams to create efficient, user-focused applications that comply...

Lead the charge in managing DoDIN services to enhance operational readiness, ensuring service availability and compliance with military directives while overseeing network operations and governance fr...

Manage and optimize critical clinical integrations to enhance patient care. You will monitor HL7 and DICOM systems, resolve issues, and support client onboarding while collaborating cross-functionally...